B £'=[_ ã@sbdZddlmZmZmZmZmZmZmZddlm Z dd„Z ddd „Z d d „Z d d „Z dd„ZdS)z8Code for converting notebooks to and from the v2 format.é)Ú new_code_cellÚ new_text_cellÚ new_worksheetÚ new_notebookÚ new_outputÚnbformatÚnbformat_minoré)Úv2cCstt|tƒr.xd| ¡D]\}}t|ƒ||<qWnBt|tƒr\x6t|ƒD]\}}t|ƒ||<qBWnt|tƒrp| d¡}|S)z^There should be no bytes objects in a notebook v2 stores png/jpeg as b64 ascii bytes Úascii)Ú isinstanceÚdictÚitemsÚ_unbytesÚlistÚ enumerateÚbytesÚdecode)ÚobjÚkÚvÚi©rú2lib/python3.7/site-packages/nbformat/v3/convert.pyr s    récCs†|dkrVt|_t|_d|_t|ƒ}x.|dD]"}x|dD]}| di¡q:Wq,W|S|dkrv|tkrl||_t|_|Std|ƒ‚dS)aPConvert a notebook to v3. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. from_version : int The original version of the notebook to convert. from_minor : int The original minor version of the notebook to convert (only relevant for v >= 3). rÚ worksheetsÚcellsZmetadataézZCannot convert a notebook directly from v%s to v3. Try using the nbformat.convert module.N)rrZ orig_nbformatrÚ setdefaultZorig_nbformat_minorÚ ValueError)ÚnbZ from_versionZ from_minorÚwsÚcellrrrÚupgrades r#cCs*d|_| dd¡}d|d|j|_dS)z-turn heading cell into corresponding markdownÚmarkdownÚlevelrú#ú N)Ú cell_typeÚpopÚsource)r"r%rrrÚ heading_to_md>s r+cCs d|_dS)zlet raw passthrough as markdownr$N)r()r"rrrÚ raw_to_mdEsr,cCs^|jdkr|Sd|_xD|jD]:}x4|jD]*}|jdkr@t|ƒq(|jdkr(t|ƒq(WqW|S)z”Convert a v3 notebook to v2. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. rrZheadingÚraw)rrrr(r+r,)r r!r"rrrÚ downgradeJs      r.N)rr )Ú__doc__Znbbaserrrrrrrr rr#r+r,r.rrrrÚs$  !